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Mar
28
awarded  Autobiographer
Aug
24
awarded  Popular Question
Jul
4
accepted Completing the squares for matrices
Jul
4
accepted What is the smallest number which begins with 7 and if you bring the 7 to the least significant position it becomes a third of the original number?
Jul
2
awarded  Curious
Dec
5
asked What is the smallest number which begins with 7 and if you bring the 7 to the least significant position it becomes a third of the original number?
Dec
9
comment How to go from Fermat’s little theorem to Euler’s theorem thought Ivory’s demonstration?
yes you're right i'm starting to get the picture
Dec
9
comment How to go from Fermat’s little theorem to Euler’s theorem thought Ivory’s demonstration?
not modulo m but modulo totient of m
Dec
9
asked How to go from Fermat’s little theorem to Euler’s theorem thought Ivory’s demonstration?
Dec
1
accepted How to prove that if $a\equiv b \pmod{2n}$ then $a^2\equiv b^2 \pmod{2^2n}$
Dec
1
comment How to prove that if $a\equiv b \pmod{2n}$ then $a^2\equiv b^2 \pmod{2^2n}$
It works anyway! Thanks!
Dec
1
comment How to prove that if $a\equiv b \pmod{2n}$ then $a^2\equiv b^2 \pmod{2^2n}$
Thanks but I’m not sure about the binomial theorem. Is that right? I think it misses a $b^{k-i}$ in the sum.
Dec
1
asked How to prove that if $a\equiv b \pmod{2n}$ then $a^2\equiv b^2 \pmod{2^2n}$
Jul
20
awarded  Student
Jun
21
awarded  Scholar
Jun
21
accepted Completion of the squares (actually of the quadratic forms)
Jun
20
comment Completion of the squares (actually of the quadratic forms)
Various: System Identification (Stoica), Estimation with application to tracking and navigation (Li, Bar-Shalon)...
Jun
20
asked Completion of the squares (actually of the quadratic forms)
Jun
12
awarded  Supporter
Jun
12
revised Completing the squares for matrices
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